iOS 13.0 (build 17A5508m) is an official Apple over-the-air update for the iPhone 7 (Global), released on 2019-06-17T17:04:36Z. The update package is 2 GB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 815fb757770f61ae2fb65e13b55172dd3cb69c83.zip.